Rocks & Minerals B/C

[Magikarpmaster629]

ID - be specific! (Click to Show Hidden Text)

[img]http://www.mineralminers.com/images/tourmaline-black/crystals/tbkm431-black-tourmaline-specimen.jpg[/img]

You can't ask to ID something more specific than what's on the rules btw Tourmaline - schorl

Correct. Is that in the rules? Also I'm sure many Regionals won't follow that rule.

3. c. "Identification will be limited to specimens appearing on the Official Science Olympiad Rock and Mineral List..."

ID:

[John Richardsim]

. (Click to Show Hidden Text)

quartzite

[Magikarpmaster629]

. (Click to Show Hidden Text)

quartzite

Yep

[John Richardsim]

Identify and give mineral class: (Click to Show Hidden Text)

[img]http://www.mindat.org/hpthumbs/HP_167859_565_424.jpg[/img]

[Magikarpmaster629]

Identify and give mineral class: (Click to Show Hidden Text)

[img]http://www.mindat.org/hpthumbs/HP_167859_565_424.jpg[/img]

Mindat specimens are so hard tho Augite, silicates class

[John Richardsim]

Identify and give mineral class: (Click to Show Hidden Text)

[img]http://www.mindat.org/hpthumbs/HP_167859_565_424.jpg[/img]

Mindat specimens are so hard tho Augite, silicates class

Try again.

[Magikarpmaster629]

Identify and give mineral class: (Click to Show Hidden Text)

[img]http://www.mindat.org/hpthumbs/HP_167859_565_424.jpg[/img]

Mindat specimens are so hard tho Augite, silicates class

Try again.

Then it must be Hornblende, silicates class

[John Richardsim]

Mindat specimens are so hard tho Augite, silicates class

Try again.

Then it must be Hornblende, silicates class

Yeah, good. Your turn.

[Magikarpmaster629]

ID

[bhavjain]

ID

Answer (Click to Show Hidden Text)

Sodalite. Almost thought it was Azurite - how can I tell the difference?